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#1
10-05-2005, 06:57 PM
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Mods for 305.
Im thinking of buying a new throttle body for the 305, but not sure which is good/ or what size?
What other mods would you buy if you had a 305?
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 91 RS Camaro V8 305 TBI cold/ram 14"/3" open element K/N filter 3.73's B&M Megashifter 180 thermostat Flowtech TERMINATOR Exhaust 3" exhaust cutout Silvania Silverstar Headlights Ronal R15 Firehawk Wheels Hankook Ventus Sport (front) Sumitomo HTR+ (rear) 275/40ZR 17 all around... _____________________________ 
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#2
10-05-2005, 07:02 PM
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Re: Mods for 305.
Get the holley 670cfm throttle body, edelbrock tubular headers, 3" y pipe, hi flow cat, 3" cat back, since you got the 305 get the dual snorkel intake. and you could always go vortec
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1995 Z28 CAMARO- K&N CAI, SLP HEADERS, 3" FLOWMASTER CATBACK, 3.73 GEARS, 1.8" DROP, HOTCHKIS SUSPENSION, CUSTOM TUNNING.
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#3
10-05-2005, 07:24 PM
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Re: Mods for 305.
Got intake and exhaust already....
think 58, or 52 mm throttle body?
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91 RS Camaro V8 305 TBI cold/ram 14"/3" open element K/N filter 3.73's B&M Megashifter 180 thermostat Flowtech TERMINATOR Exhaust 3" exhaust cutout Silvania Silverstar Headlights Ronal R15 Firehawk Wheels Hankook Ventus Sport (front) Sumitomo HTR+ (rear) 275/40ZR 17 all around... _____________________________
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#4
10-05-2005, 07:51 PM
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Re: Mods for 305.
That holly throttle body fits a 5.0 truck, its the same for a camaro 305 TBI?
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91 RS Camaro V8 305 TBI cold/ram 14"/3" open element K/N filter 3.73's B&M Megashifter 180 thermostat Flowtech TERMINATOR Exhaust 3" exhaust cutout Silvania Silverstar Headlights Ronal R15 Firehawk Wheels Hankook Ventus Sport (front) Sumitomo HTR+ (rear) 275/40ZR 17 all around... _____________________________
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#5
10-05-2005, 08:15 PM
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Re: Mods for 305.
Yes it's a direct replacement. everything hooks back up no modifications necessary.
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1995 Z28 CAMARO- K&N CAI, SLP HEADERS, 3" FLOWMASTER CATBACK, 3.73 GEARS, 1.8" DROP, HOTCHKIS SUSPENSION, CUSTOM TUNNING.
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#6
10-05-2005, 11:40 PM
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Re: Mods for 305.
i have been doing research and have found that this is a good throttle body, and if you get a intake manifold you can get one for a carbed 305 and ge this adapter. the tbi is part number 502-5 And the adapter is 17-45. those are at www.holley.com also tbi spacers and tbi injector spacers are said to work well. and get some bigger injectors.
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 87 firebird formula ws6 (currently has a old 78 305 with the following upgrades, including lots of miles and stock heads and internals....oops) crane cam cam specs performance valve springs and retainers, flowtech headers, 255 lph fuel pump, holley 600cfm carb, weiand single plane manifold, a healty diet. 14.90 1/4 mile....just wait for the 406 to be finished MY VIDEOS MY PICTURES -Tom
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#7
10-06-2005, 12:05 AM
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Re: Mods for 305.
get the holley 502-6, it comes with the bigger injectors, and there actually is a minor modification needed to use it on our cars, and it's either the tps or iac harness from a truck has to be put in place of ours. LT1 cam is a popular mod as well. As for the dual snorkel air cleaner, good luck finding one, very rare, you'd be better off with an open elemant. as for intake manifold, the 300-66 is a TBI manifold with 2" bores to match the TBI unit bores.
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#8
10-06-2005, 02:41 AM
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Re: Mods for 305.
The Lt1 Cam wont fit without mods will it?
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91 RS Camaro V8 305 TBI cold/ram 14"/3" open element K/N filter 3.73's B&M Megashifter 180 thermostat Flowtech TERMINATOR Exhaust 3" exhaust cutout Silvania Silverstar Headlights Ronal R15 Firehawk Wheels Hankook Ventus Sport (front) Sumitomo HTR+ (rear) 275/40ZR 17 all around... _____________________________
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#9
10-06-2005, 01:57 PM
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Re: Mods for 305.
Is a throttle body spacer worth it, and will there be enough hood clearance with the stock hood?
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91 RS Camaro V8 305 TBI cold/ram 14"/3" open element K/N filter 3.73's B&M Megashifter 180 thermostat Flowtech TERMINATOR Exhaust 3" exhaust cutout Silvania Silverstar Headlights Ronal R15 Firehawk Wheels Hankook Ventus Sport (front) Sumitomo HTR+ (rear) 275/40ZR 17 all around... _____________________________
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#10
10-06-2005, 02:01 PM
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Re: Mods for 305.
my suggestion, put an lt1 in there
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 Teamsters Local 332 1998 GMC Jimmy, 4.3 Vortec V6, 80,000 Miles, K&N Filter 1992 Chevrolet Camaro RS, 355 TPI, Under Construction
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#11
10-06-2005, 02:31 PM
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Re: Mods for 305.
ya i put a tbi spacer on my engine...I did notice the difference some ppl say they dont but i did. Hood clearence is close...i had an open element and it fit, but i took that metal spacer thing that is on the tbi unit off.Do you know what im talking about.
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1991 RS 305 T.B.I. 700-R4 
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#12
10-06-2005, 03:38 PM
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Re: Mods for 305.
get a cowl hood 2 tbi spacers and 2 tbi injector spacers. thats my plan. supposably it works better with 2 so
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87 firebird formula ws6 (currently has a old 78 305 with the following upgrades, including lots of miles and stock heads and internals....oops) crane cam cam specs performance valve springs and retainers, flowtech headers, 255 lph fuel pump, holley 600cfm carb, weiand single plane manifold, a healty diet. 14.90 1/4 mile....just wait for the 406 to be finished MY VIDEOS MY PICTURES -Tom
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#13
10-06-2005, 11:34 PM
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Re: Re: Mods for 305.
Quote:
just go read the stickys here
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#14
10-07-2005, 01:48 AM
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Re: Mods for 305.
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97 Camaro - 2.077 60', 14.745 @ 92.20 - still down, one year later. 194k miles-160* thermo-V8 shocks/springs (V6 rear springs)-3" Magnaflow !cat (3" dynomax bullet) back-SLP CAI-stock boxed LCAs-poly tranny mount and torque arm bushing-custom HPTuners tuning-4.10s/eaton/TA girdle-3.5" alum DS-spohn LCA brackets-prostar skinnies 179.75 RWHP, 204.52 RWTQ ON ITS WAY: MORE R.I.P. Andy 87 Benz 190e - DD 01 EX250 - still gotta get my license for this thing
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#15
10-07-2005, 01:50 AM
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Re: Mods for 305.
Mods for 305,,... put in a LS7.... you'll love that mod
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Quote:
Quote:
   www.Xenostalgia.com Exit your Reality || 97 Acura Integra GS 2DR
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